Usually, the sportsbook doesn't need to pay extra to list every match of a certain sports event. These are international matches. The odds provider normally gives API access of those international matches to a sportsbook. The decision is up to the sportsbook to filter out some matches. There is indeed a very big potential for the online casino in India and some other South Asian countries.

Maybe Wolfbet marketing team doesn't have the plan yet to target those regions. What I can say is that Wolfbet bonus system isn't really enough to attract the people of those regions by competing with other betting sites.